<!--
 * Tencent is pleased to support the open source community by making BK-JOB蓝鲸智云作业平台 available.
 *
 * Copyright (C) 2021 THL A29 Limited, a Tencent company.  All rights reserved.
 *
 * BK-JOB蓝鲸智云作业平台 is licensed under the MIT License.
 *
 * License for BK-JOB蓝鲸智云作业平台:
 *
 *
 * Terms of the MIT License:
 * ---------------------------------------------------
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and
 * to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of
 * the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
 * THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
-->

<template>
  <div
    ref="layout"
    :class="classes">
    <slot />
  </div>
</template>
<script>
  export default {
    name: 'GlobalVariableLayout',

    props: {
      type: {
        type: String,
        default: 'horizontal', // 水平：horizontal；垂直：vertical
      },
    },
    computed: {
      classes() {
        const classes = {
          'global-variable-layout': true,
        };
        if (this.type !== 'horizontal') {
          classes.vertical = true;
        }
        return classes;
      },
    },
    updated() {
      const childrenNum = this.$slots.default;
      if (this.childrenNum !== childrenNum) {
        this.childrenNum = childrenNum;
        this.init();
      }
    },
    mounted() {
      if (this.type === 'horizontal') {
        this.init();
      }
    },
    methods: {
      init() {
        const isShowLayout = this.$refs.layout.getBoundingClientRect().width > 0;
        if (!isShowLayout) {
          return;
        }
        const $formEle = this.$refs.layout;
        let max = 0;
        const $labelEleList = $formEle.querySelectorAll('.variable-name');
        $labelEleList.forEach((item) => {
          const { width } = item.querySelector('span').getBoundingClientRect();
          max = Math.max(max, width);
        });
        $labelEleList.forEach((item) => {
          item.style.width = `${max}px`;
        });
      },
    },
  };
</script>
<style lang='postcss'>
  .global-variable-layout {
    display: flex;
    flex-direction: column;

    &.vertical {
      .global-variable-edit-box {
        flex-direction: column;
      }

      .variable-name {
        text-align: left;
      }
    }
  }
</style>
